| ABE | Attribute-Based Encryption |
| ABG | Arterial Blood Gas |
| AES | Advanced Encryption Standard |
| AI | Artificial Intelligence |
| ARP | Address Resolution Protocol |
| BCG | Ballistocardiography |
| BLE | Bluetooth Low Energy |
| COPD | Chronic Obstructive Pulmonary Disease |
| DDoS | Distributed Denial of Service |
| DNS | Domain Name System |
| DoS | Denial of Service |
| ECC | Elliptic-Curve Cryptography |
| ECG | Electrocardiography |
| EDA | Electrodermal Activity |
| EEG | Electroencephalography |
| EMG | Electromyography |
| FBG | Fibre Bragg Grating |
| fNIRS | Functional Near-Infrared Spectroscopy |
| GDPR | General Data Protection Regulation |
| GPS | Global Positioning System |
| HBC | Human Body Communication |
| HIDS | Host-Based Intrusion Detection Systems |
| HIPAA | Health Insurance Portability and Accountability Act |
| HIS | Healthcare Information System |
| HTTP | Hypertext Transfer Protocol |
| ICMP | Internet Control Message Protocol |
| ICT | Information and Communication Technologies |
| ICU | Intensive Care Unit |
| IDS | Intrusion Detection Systems |
| IEC | International Electrotechnical Commission |
| IMU | Inertial Measurement Units |
| IoMT | Internet of Medical Things |
| IoT | Internet of Things |
| IP | Internet Protocol |
| ISO | International Organisation for Standardisation |
| LPWAN | Low-Power Wide-Area Networks |
| LTE | Long-Term Evolution |
| MAC (address) | Media Access Control |
| MAC (code) | Message Authentication Code |
| MEG | Magnetoencephalography |
| MEMS | Microelectromechanical Systems |
| MitM | Man-in-the-Middle |
| MMG | Mechanomyography |
| MOS | Metal Oxide Semiconductor |
| NB | Narrowband |
| NFC | Near-Field Communication |
| NIDS | Network-Based Intrusion Detection Systems |
| OSI | Open Systems Interconnection |
| OSINT | Open Source Intelligence |
| PCG | Phonocardiography |
| PET | Positron-Emission Tomography |
| PPG | Photoplethysmography |
| PTT | Pulse Transit Time |
| RBAC | Role-Based Access Control |
| RFID | Radio Frequency Identification |
| RGB | Red Green Blue |
| RSA | Rivest–Shamir–Adleman |
| RTS/CTS | Request to Send/Clear To Send |
| SHA | Secure Hash Algorithm |
| TCP | Transmission Control Protocol |
| UV | Ultraviolet |
| UWB | Ultra Wideband |
| WBAN | Wireless Body Area Networks |
| WPA | Wi-Fi Protected Access |
| WPS | WiFi-based Positioning System |
| WSN | Wireless Sensor Networks |